1 //===-- SparcMCAsmInfo.cpp - Sparc asm properties -------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file contains the declarations of the SparcMCAsmInfo properties. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "SparcMCAsmInfo.h" 15 #include "SparcMCExpr.h" 16 #include "llvm/ADT/Triple.h" 17 #include "llvm/MC/MCStreamer.h" 18 19 using namespace llvm; 20 21 void SparcELFMCAsmInfo::anchor() {} 22 23 SparcELFMCAsmInfo::SparcELFMCAsmInfo(const Triple &TheTriple) { 24 bool isV9 = (TheTriple.getArch() == Triple::sparcv9); 25 IsLittleEndian = (TheTriple.getArch() == Triple::sparcel); 26 27 if (isV9) { 28 PointerSize = CalleeSaveStackSlotSize = 8; 29 } 30 31 Data16bitsDirective = "\t.half\t"; 32 Data32bitsDirective = "\t.word\t"; 33 // .xword is only supported by V9. 34 Data64bitsDirective = (isV9) ? "\t.xword\t" : nullptr; 35 ZeroDirective = "\t.skip\t"; 36 CommentString = "!"; 37 SupportsDebugInformation = true; 38 39 ExceptionsType = ExceptionHandling::DwarfCFI; 40 41 SunStyleELFSectionSwitchSyntax = true; 42 UsesELFSectionDirectiveForBSS = true; 43 44 UseIntegratedAssembler = true; 45 } 46 47 const MCExpr* 48 SparcELFMCAsmInfo::getExprForPersonalitySymbol(const MCSymbol *Sym, 49 unsigned Encoding, 50 MCStreamer &Streamer) const { 51 if (Encoding & dwarf::DW_EH_PE_pcrel) { 52 MCContext &Ctx = Streamer.getContext(); 53 return SparcMCExpr::create(SparcMCExpr::VK_Sparc_R_DISP32, 54 MCSymbolRefExpr::create(Sym, Ctx), Ctx); 55 } 56 57 return MCAsmInfo::getExprForPersonalitySymbol(Sym, Encoding, Streamer); 58 } 59 60 const MCExpr* 61 SparcELFMCAsmInfo::getExprForFDESymbol(const MCSymbol *Sym, 62 unsigned Encoding, 63 MCStreamer &Streamer) const { 64 if (Encoding & dwarf::DW_EH_PE_pcrel) { 65 MCContext &Ctx = Streamer.getContext(); 66 return SparcMCExpr::create(SparcMCExpr::VK_Sparc_R_DISP32, 67 MCSymbolRefExpr::create(Sym, Ctx), Ctx); 68 } 69 return MCAsmInfo::getExprForFDESymbol(Sym, Encoding, Streamer); 70 } 71